| // |reftest| skip-if(!xulRuntime.shell) |
| /* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ |
| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| //----------------------------------------------------------------------------- |
| var BUGNUMBER = 384412; |
| var summary = 'Exercise frame handling code'; |
| var actual = ''; |
| var expect = ''; |
| |
| |
| //----------------------------------------------------------------------------- |
| test(); |
| //----------------------------------------------------------------------------- |
| |
| function test() |
| { |
| enterFunc ('test'); |
| printBugNumber(BUGNUMBER); |
| printStatus (summary); |
| |
| /* |
| * Generators |
| */ |
| |
| /* Generator yields properly */ |
| f = (function(n) { for (var i = 0; i != n; i++) yield i }); |
| g = f(3); |
| expect(0, g.next()); |
| expect(1, g.next()); |
| expect(2, g.next()); |
| s = "no exception"; |
| try { g.next(); } catch (e) { s = e + ""; } |
| expect("[object StopIteration]", s); |
| |
| /* Generator yields properly in finally */ |
| f = (function(n) { |
| try { |
| for (var i = 0; i != n; i++) |
| yield i; |
| } finally { |
| yield "finally"; |
| } |
| }); |
| |
| g = f(3); |
| expect(0, g.next()); |
| expect(1, g.next()); |
| expect(2, g.next()); |
| expect("finally", g.next()); |
| |
| /* Generator throws when closed with yield in finally */ |
| g = f(3); |
| expect(0, g.next()); |
| s = "no exception"; |
| try { g.close(); } catch (e) { s = e + ""; }; |
| expect("TypeError: yield from closing generator " + f.toSource(), s); |
| |
| |
| /* |
| * Calls that have been replaced with js_PushFrame() &c... |
| */ |
| f = (function() { return arguments[(arguments.length - 1) / 2]; }); |
| expect(2, f(1, 2, 3)); |
| expect(2, f.call(null, 1, 2, 3)); |
| expect(2, f.apply(null, [1, 2, 3])); |
| expect("a1c", "abc".replace("b", f)); |
| s = "no exception"; |
| try { |
| "abc".replace("b", (function() { throw "hello" })); |
| } catch (e) { |
| s = e + ""; |
| } |
| expect("hello", s); |
| expect(6, [1, 2, 3].reduce(function(a, b) { return a + b; })); |
| s = "no exception"; |
| try { |
| [1, 2, 3].reduce(function(a, b) { if (b == 2) throw "hello"; }); |
| } catch (e) { |
| s = e + ""; |
| } |
| expect("hello", s); |
| |
| /* |
| * Generator expressions. |
| */ |
| String.prototype.__iterator__ = (function () { |
| /* |
| * NOTE: |
| * Without the "0 + ", the loop over <x/> does not terminate because |
| * the iterator gets run on a string with an empty length property. |
| */ |
| for (let i = 0; i != 0 + this.length; i++) |
| yield this[i]; |
| }); |
| expect(["a1", "a2", "a3", "b1", "b2", "b3", "c1", "c2", "c3"] + "", |
| ([a + b for (a in 'abc') for (b in '123')]) + ""); |
| |
| print("End of Tests"); |
| |
| /* |
| * Utility functions |
| */ |
| function expect(a, b) { |
| print('expect: ' + a + ', actual: ' + b); |
| reportCompare(a, b, summary); |
| } |
| |
| |
| exitFunc ('test'); |
| } |